Day 06 - Original Solution

.gitignore

@@ -0,0 +1 @@
+a.out

06.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <string.h>
+
+#define CHARS 14 // set this to 4 for part 1
+
+int main()
+{
+	char *p;
+	char c;
+
+	int ind = 0;
+	int i, j;
+	char s[CHARS] = { 0 }; // yes this takes into account terminating null byte, buffer of chars - 1 chars
+	for (i = CHARS; i > 0; i--) {
+		c = getchar();
+		if ((p = strchr(s,c)) != NULL)
+			i = (i > CHARS-(p-s)) ? i : CHARS-(p-s);
+		// shift seen chars
+		for (j = CHARS - 2; j > 0; j--) // - 2 for null byte
+			s[j] = s[j - 1];
+		s[0] = c;
+		ind++;
+	}
+	printf("found at %d\n", ind);
+	return(0);
+}

06_input

@@ -0,0 +1 @@
+rgffbnnqvqhhmtmzzmmpmllcggsdswwvvwzzpptbppgngsnncwcnwcwnwgwrwrrnqnlqlccwggrcgrccjgcgwghgffjgjgrgmmsrrhchfcfdccjwwzdzcdcbcjjtfjjltlvvtstvttszsvsmmfccwcjwwzmzhhjvjpvjpppcwppdtdvtdvtvztzvzffdfqqgbgffrgrpgphhbcctssncsnncfcppvnpvnvfnfvnnfggtpplggwsggldllzvzrznncbbjpplbbrrnsrssmrsrhhmqmnqqhpqqnrqnrrtrnnrwrwhhpjhphlhvvgbgzztqtvvmssdshhqnhnjjvhjhqqbrqrrmrlrdllvrlvlccfvcffhfssgvsswhwqqfwfwhhcffjmmjrrbgrgjgrrvsrvvwmwsmmszzvmzvmmwmtthvvfbfllpjpwpwjpwpnpjpqqwtqtwwqpwqqrsqqcpqqssrgsrrjwwqmwmgwgrggmvmgmfgmffjfhjfjttcztccmtmmccnznhhcgcffmnfmmqjjhwwtccbzbhhwnhnsnmsnmnqqchhhnggbzbjzjzszsfsjfjvffnlffvrvddbhhqccdnnzwnznjnpnmppthhqddjhddqjqlqplqqjpjwppqttswsvwvfwflfplffnbfbwfwhhlhtlhtltzzmlmslmlwwgzwzrrwhhlnnrfnnmpppjpgpbbhpbhppbrppbhhzgzczqcqvqggwppcnnhnznvznzhhcpctptpjtppdhhprhrcrpcprpplrprzrnrfnrnlrlvrrfqqnnsqsqrssnrnvvvghvvbzzqppjsjnnrprwrrmqqtfqfwwrdrsddprddbdzbdbndbdjdljjrtjrrnzrzjrzzpssftfmfbflbbcpcsppwrppntnhthlthtbbsmsbmsmggpssnhnjjtsjjwssdjdwwppcbpcclmccwzzrggmgmnnwjnnqppjttvllmhhvcctptbpbdpdhdqqgggbnnqcchlhssltstllvqlvqvdvjdvvqvsvfvhfhlfftqffztzdttfvvzmvzznvnsnjjvqjvjljplpvvzlzhzghgddbbzbmbnztgthrnpsqhhdvprtpdftmqfvgjzgdvqwmvgwbczvbschqfhdvqcfnmbgmtqmlmsqcbfhshrzzbrtpgnwwtzgnjghzrlwhntprqhvshjcfvlnchccbtnswfnmpccdppqrqrhngvlwrpplbnpgzbzwtzwrsptmsmlndcfmbnqgvnqvzwpvrtfsrwfvfwdvplrfdddwcnwhzchmwfjsfvbtbrjchmgqwfvvmpzhqcbzhrcmjrzmgrtnzrcqdqdqnpwjctlhrjcphbbcvhvqnhtwjrvrbzfzfzzplshvrcchvtgtjcnhlzsttwdhcmdvrdlgsngvtzqsjrcptwwbgvfbsvgnmfhmvgqtfzbhhmdznjlsghhnlwzhvplfvlqzbrsjhdvrshjbnfqgpscbpzmnmmcsdbtwbwmsvfjwdvtctslcqfssrhczdptlrjbfzjctqrcbppcfcbqqzhhftdjchtscwgwcnpvrrjvnnwrqtrqmbgdfcpqhddnvdnmlmqcgsndwbcfvfrzsrflsnqrpmszqrdlshlcsfrmnsqmtrvjwqcllftscwrtmvcjsmrlqvdfjzgfdtswqzldqgjvhczpqrfbclnbwcjprjncvhgfmjhgfgnvfzfnvbbstgsgtspdhtfsncttlwmllbbvqftjtshfjlqtjwlvrbwmzfhdmcbhtqdzqtzmdljqprwhqwcvbtfqbpjwztgqrvlrqdwmqrqzvptsgjdqnqdfwfpjdglwgpdrcfrrzmpjmtbwwrqqcsnmphcqtthlnlzlfftrjmtjwwqrldcfjjclzrsqvltsfchfggcwbzbtpqcjfvgpwnwwqrdbdvjplgsgctdhqvttmtpmmjfcqdslhjgtdppbmzbrfbrrjncfdhlmjgdwjrmbgpcgctghbvphpgfvvfvtplqrhnjjhqntjvbsggvrvjgrwptcgqgrmjtprvhnvjsdsfqrqrrltlhvfsjsqpbwndbsnjzplcfqtfbdqdzdvnljcsmjnrmwwjzqwsjbdlclsmccbqwnlpltqhqhmthhrdjwlqwrbltghsvblqntvjqzpmmpqwrrwvhmtfqzhrmjfglwfpthhgbhdmrtprtqgqbdcfqlbbvmzmchzglmpzdvhpqchhclbcvrcmhtzqfzrplbvmdhghsttzgdjbgmmtvlqjsstgwlwchhwmflwbgljgszghvfdsngbtbcnhzmmdmsjqfbcsmgpjwjqgwqdlrgznnmhphbrzcgnqczpcbljjmhnnrmzlpqbswwcjpjqcrtdmgprpmmbprwlmpzcmwlnbzqjsgftrncvmjmjwvqgszsrmrczhjnwlghgndhbthwlhfbncrwqfgnshrmdfhwmfvllhvbmmllwfbgrnrttpzffzvcfjfbrmdqfcfrdqsltpbbttnqnbncfhwghfbgwrltbhwmmlpczsvvdnwhchgfplnjsttsqvsznwvlwzgfnhfrrgplsfwrwnbfhblwtjpldjmzrglhppgsjsgzssbbgrrbdmpwhgjjmlfnpdbvtntcwrvltgfnrgwttvvjhqljjvvnmztwgzcclgbjnjspzwnpgtgvhhhqbzrnvmdcljcdncvpnpdhrhqwvlhllbsrmjbzlgczwjsrvqrqfqmtjrnpbtdhsrfbhrgtgnrmlgcwcmrvrdfcqbfcqczjchgrjpzqfqqmcpvnvbrssfrfsrjmlngplqqsnclgvpfhjbzdppjftlgbmcgdbrvqrclvtdnzhhcmzlrdrgbrqrlvfcnvznnqwswvhdpbbjmsqzcrmjngzmdftjzsjvgfdtcvdwhnwwjlcgcmflzzpzpgzrvmptbjgrdjbzscrglhcjppdjdshnvvbsnnddtbwsdrpnbnlrtppcrzbbjrfzhbwgmjqtmgjvmrjgfdndlmqvhgwprsjnhcmrnfdfdzggjjzcccnsnwwbjzmsfjjfhclptfcwqjhnphpwzszjmsrtnbqpqsvcfcvrrgclwlbrqngdcdlzrdfpvbgtznjzdvjngrgswhjnrpgswtqflpgvnpbsvcrtgtzcbhdjpbjwnpdzcmprtzlppbqvpzrrlbssmwhhvqqpmwggnzwcfdnzccjrrncnvjqgbpstctwpqvhdsbcsjrpbzbdlwwvjngtbnvpthppglgsnrbwnvpzldhsgwqhclgwrdsvcfdclvdsbrhcfnbgrtqswstnjfmfrdgphpvgjfqzcwnpcghdhtflgdnhhnnnwrpnmppszgqdcqjqpnccfsqjsmwtqvzwfqvtwtthwswmcqqcqjwcgwgzgmnpzbfpzrqbvqhbhtsvvbppbmqzfnsmwppzvsctgcncztsqdfhnlwjjtvwcchvnphwpnpzqsjhlrcmnbthtqlfclnsfdtpwfzljdpfszvhgzdpzhbjtphbfbmwgfrfplntfqhgpbjzghmblzzhdcbptngqwrtfmvtbhphpvdwpswbscrwzhnvqfwlbwwqqgstgmbqlllspbhbpjmmrfhmjwzdnsdwmpvlrspgzmdjwqwcjpbgwspsghjdvrbbsbtgwptqdvvdhbhqbdhpbzdsdwsjdbjnztdqqrdhwhtpvcbblbmjgmbpqghdsfthzjffrdvldfsnpcsmnzwzcqlnvcrcbqnfcdrfbffrvhqsbqjnnbzsqvqqdqwmsvbqvtgmnnlthpngfsljqnrdhhzpmwsnqvrgdnvlbgnndfcpjfgmzqssvnnrwbmslcqpnhnnwzggsjvqcsqpfzjcmcppntmsdtfggzdncqbfjsqvbzgnnlsdbgjqffsmvnbqlsrjwdmcjbrsrpchnnhdtlcdhfdltmlvtrwjpzphtbhzzrlrwbbhhpntgbcfmphnbrjdhrhvmvhfglrncngjdsvbfrqtqzsgvlzjqzcqnwdcfgvnpsqpphwfsdvpgnchjnnjhsqgvlqcvhzzzcrsqcvrbsbjbdbgddlbb

README.md

@@ -11,3 +11,4 @@ this repo will also include online solutions that I think are neat, indicated by
 4. shell (POSIX)
 5. shell (POSIX; modified input, see 05_i2. could easily be adapted to not rely on it though)
     - I also started work on a "general-case" C solution, but it's currently incomplete
+6. C